`BookProof.ChapterFreeFieldBornSectionBij.bornMap_bijOn_nonneg_sphere` : Set.BijOn (bornMap : EuclideanSpace ℝ (Fin n) → _) (Metric.sphere (0 : EuclideanSpace ℝ (Fin n)) 1 ∩ nonneg

Initializing...

`BookProof.ChapterFreeFieldBornSectionBij.bornMap_bijOn_nonneg_sphere` : Set.BijOn (bornMap : EuclideanSpace ℝ (Fin n) → _) (Metric.sphere (0 : EuclideanSpace ℝ (Fin n)) 1 ∩ nonneg · Prove2Me